Process for extracting potash and other values from tobacco.



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ASSIGNOBS T0 AMERICAN SAFETY DELAWARE.

IEZLQ'DCTESS F033, EKTRACTING FOTASFI .ELLJD ill.

Ho Drawing.

To czZZ whom may comes n:

Be it known that we VViLLL-iii H. KEN- xiim' and GILBERT E. BAILEY both citizens of the United States residing at Los A11- geles, in the county of Los Angeles and Stat of California, have invented a new and fol Process fol Extracting Potash and other Specification of Letters Application filed March 19, 193?.

l i 7 remaining alcohol o PEZCOlilill n loci amount i i oppi'oxiioo' on lysis of l Values from Tobacco, of which the following is a specification.

"Om; invention relates to the extraction of valuable ingredients from the ports of tooecco plants not ordi'oorily used in the manufacture of cigars, cigarettes, chewing tobacco, oncl similar articles, being more particularly process for the extraction oi valves from the stems, ribs and leaves of tobacco plani. oe composition of the, tobacco plant is ccoi'ciing to the semis-i1 variety of also-t, ,also the climate and the soil potash (F5 6 varies from four "0 ten pen I useful.

re grown. in general the peicenioge of cent, he sleet also cone-amin olbuminoicls Y cellulose, resins. gums nicotin, a number oi organic acids. and more or less mmerol moiztez'. "i'l lien the leaves, stalks oncl stems are loomed to on ash, the pnncipel ingredients UL the osliizue poi-ash (ii fi), varying from twenty-five to forty per cent; lime (CoC from thirty to forty per cent; magnesio (MgO) from five to twelve per cent; small amounts alumi-oa; iron and soda; and minor amounts oi"cl1lorin, phosphoric onliydricl and sulfuric anhyclrid; but the vol otile anal organic matter is destroyed and lost, and as llie "pol-ash in ihe plant exists in combination Wiili'tlie organic ecicls, the poi-ssh is oolv partially converted im'so cs1- laonote mixed with soluble compounds of lime and magnesia, which are expensive to separate, and as o consequence considerable ipoiasli is lost.

The object oi our invention is to recover 'llie' potash, iiic volatile portions of the "plani, and. the 'nms and 73981213:

Our process is carried out in the follow ing manner: lie iolmcco is first pci'colaietl Wlill {llliliillE alcohol which forms a (3011" cenimteil solution or extract coni-nining' he :oicoiizo of lo piont, which solution is r selli g sole?) e resizing; sheep dip iii sec'iicieles cm is then nmze o retort, l1

l Ola 1 oopliecl lo i may be use being; i moi 0L ilie oloc in large eizc c1" of economy ss cloes not 1 Q! ing, it being essential. llOW charcoal in recess 1. I

L "L93? the alcohol misecl so ilwi; d1 organic substonc known to one then ocliniiiecl i'sisecl "to full. cause ins n the chzii'c l sium carbonate is solifole W; 1 and magnesium ciao itel om affected. They we, therefore essi rate-cl and the solution of bonoies ffcfitl from its in; iallizecl ay si 1 l from tobacco, which consists in roasting the tobacco in the presence of charcoal to form carbonates and then leaching such carbonates with hot Water to separate the potassium carbonate into a solution.

4. The process for obtaining values from tobacco, which consists in recovering the extracts and resins from the tobacco and Copies of this patent may be obtained for five cents each, by addressing the then recovering the potash from the residue, as described.

In testimony whereof, We have hereunto set our hands at Los Angeles, California, this 9th clay of March, 1917.

WILLIAM H. KENNEDY.

GILBERT E. BAILEY.

Coinmis'sioner of Patents,

Washington, D. C. 

